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Exterior Components› Body Panels and Components

Arc Lighting

TINY MONSTER H4 DECODER HARNESS (2

$47.86 $43.13 Save $4.73

SKU: A01Y 20042

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Arc Lighting 20042 is an H4 LED decoder harness kit designed to prevent bulb-out dash warnings and flickering. It installs quickly by plugging directly into the vehicle's headlight connector, requiring no splicing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandArc Lighting
Part NumberA01Y 20042

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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